1159228260 has 240 divisors, whose sum is σ = 3852237312. Its totient is φ = 291340800.

The previous prime is 1159228199. The next prime is 1159228261. The reversal of 1159228260 is 628229511.

1159228260 is a `hidden beast` number, since 1 + 1 + 592 + 2 + 8 + 2 + 60 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (1159228261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 2058739 + ... + 2059301.

Almost surely, 2^1159228260 is an apocalyptic number.

1159228260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1159228260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1926118656).

1159228260 is an abundant number, since it is smaller than the sum of its proper divisors (2693009052).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1159228260 is a wasteful number, since it uses less digits than its factorization.

1159228260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 656 (or 645 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The square root of 1159228260 is about 34047.4413135554. The cubic root of 1159228260 is about 1050.4845110871.

The spelling of 1159228260 in words is "one billion, one hundred fifty-nine million, two hundred twenty-eight thousand, two hundred sixty".